give off vs scintillate

give off and scintillate both are verbs.

Word	Noun	Adjective	Verb	Adverb
give off	No	No	Yes	No
scintillate	No	No	Yes	No

As verbs, scintillate is a hyponym of give off; that is, scintillate is a word with a more specific, narrower meaning than give off:

give off: give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.
scintillate: give off

Other hyponyms of give off include effuse, reflect, shine, spark, sparkle, radiate, fume, smoke, reek, shoot, ray, steam.

give off (verb)	scintillate (verb)
have as a by-product	be lively or brilliant or exhibit virtuosity
give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.	fluoresce momentarily when struck by a charged particle or high-energy photon
	emit or reflect light in a flickering manner
	give off
	reflect brightly